| All Country Flags of the World | 0 | - | 5.00 | 3,640,915 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,212 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,924 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,119 |
| Flags with Crescents | 0 | - | 4.98 | 168,828 |
| Country Flag Trivia | 0 | - | 4.81 | 56,651 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,258 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,119 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,858 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,005 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,530 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,116 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,422 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,919 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,954 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,838 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,543 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,630 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,220 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,210 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,081 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,250 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,338 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,099 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,801 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,266 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,574 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,953 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,151 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,178 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,484 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,702 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,801 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,301 |
| Flags of North and South America | 0 | - | 4.99 | 371,322 |
| Flags to Languages | 0 | - | 4.95 | 173,242 |
| Former Flags | 0 | - | 4.97 | 107,371 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,825 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,321 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,227 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,579 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,868 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,335 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,487 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,969 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,166 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,177 |
| Flag Maths | 0 | - | 4.64 | 57,733 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,133 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,291 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,676 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,621 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,419 |
| World Coats of Arms | 0 | - | 4.99 | 64,254 |
| Similar Flags #1 | 0 | - | 4.74 | 129,660 |
| Similar Flags #2 | 0 | - | 4.74 | 136,965 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,152 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,438 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,843 |
| Emoji Flags | 0 | - | 4.35 | 43,981 |
| Countries by Road Signs | 0 | - | 4.98 | 53,558 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,372 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,164 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 24,031 |
| Select the World Flags | 0 | - | 4.27 | 37,631 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,681 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,786 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,255 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,929 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,041 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,835 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,396 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,744 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,184 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,649 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,381 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,004 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,532 |
| Pixelated World Map | 0 | - | 5.00 | 143,048 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,230 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,871 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,203 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,111 |
| Boundary Waters | 0 | - | 4.92 | 88,331 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,043 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,800 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,026 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,263 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,185 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,778 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,007 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,193 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,810 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,281 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,014 |
| Geography by Picture - B | 0 | - | 4.42 | 55,537 |
| Geography by Picture - H | 0 | - | 4.50 | 58,160 |
| Geography by Picture - N | 0 | - | 4.45 | 42,148 |
| Geography by Picture - R | 0 | - | 4.56 | 40,965 |
| Geography by Picture - T | 0 | - | 4.54 | 57,780 |
| Flags of Oceania | 0 | - | 5.00 | 257,681 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,752 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,811 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,557 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,923 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,390 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,259,718 |
| Flags of WW1 | 0 | - | 4.60 | 38,248 |
| Landlocked Countries | 0 | - | 4.99 | 417,906 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 565,411 |
| Satellite Images #1 | 0 | - | 4.46 | 129,249 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,204 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,827 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,830 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,912 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,763 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,801 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,457 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,515 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,521 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,746 |
| World Capitals Quiz | 0 | - | 5.00 | 5,057,914 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,489 |
| Himalayan Countries | 0 | - | 4.94 | 136,989 |
| Andean Countries | 0 | - | 4.95 | 83,718 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,961 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,317 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,637 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,210 |
| Danube Countries | 0 | - | 4.97 | 71,551 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,390 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,962 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,450 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,508 |
| European Landlocked Countries | 0 | - | 4.99 | 146,561 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,978 |
| Countries with the Most Species | 0 | - | 4.99 | 102,685 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,110 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,384 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,241 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,903 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,290 |
| Countries in the Alps | 0 | - | 4.86 | 117,532 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,027 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,169 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,349 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,873 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,979 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,376 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,146 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,099 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,902 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,467 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,428 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,284 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,841 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,109 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,132 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,981 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,987 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,511 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,392 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,785 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,963 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,919 |
| Largest Countries By Category | 0 | - | 4.97 | 157,472 |
| Countries by Countries | 0 | - | 4.96 | 62,745 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,062 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,126 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,448 |
| Merged Country Flags | 0 | - | 4.88 | 106,483 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,163 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,547 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,437 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,225 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,750,037 |
| Merged Countries #2 | 0 | - | 4.96 | 98,831 |
| Merged Countries #6 | 0 | - | 4.90 | 73,063 |
| Merged Countries #7 | 0 | - | 4.93 | 82,366 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,267 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,707 |
| Geography by Picture - A | 0 | - | 4.39 | 60,173 |
| Geography by Picture - D | 0 | - | 4.15 | 45,592 |
| Geography by Picture - F | 0 | - | 4.31 | 50,928 |
| Geography by Picture - G | 0 | - | 4.38 | 47,897 |
| Geography by Picture - J | 0 | - | 4.16 | 38,411 |
| Geography by Picture - K | 0 | - | 4.29 | 33,082 |
| Geography by Picture - C | 0 | - | 4.31 | 57,013 |
| Geography by Picture - L | 0 | - | 4.37 | 58,880 |
| Geography by Picture - M | 0 | - | 4.14 | 40,408 |
| Geography by Picture - P | 0 | - | 4.24 | 42,383 |
| Geography by Picture - S | 0 | - | 4.38 | 46,995 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,148 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,366 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,676 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,846 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,001 |
| Longest International Borders | 0 | - | 4.99 | 264,505 |
| Countries with Three Borders | 0 | - | 4.96 | 36,406 |
